ring current

Jang, E., Yue, C., Zong, Q., Fu, S., & Fu, H. B. (2021). The effect of non-storm time substorms on the ring current dynamics. Earth And Planetary Physics, 5, eepp2021032. http://doi.org/https://doi.org/10.26464/epp2021032 (Original work published June 2021)
Claudepierre, S., Liu, X., Chen, L., & Takahashi, K. (2021). Observational evidence of the excitation of magnetosonic waves by an He ion ring distribution. Journal Of Geophysical Research: Space Physics, n/a, e2021JA029532. http://doi.org/https://doi.org/10.1029/2021JA029532 (Original work published July 2021)
Li, X. -Y., Liu, Z. -Y., Zong, Q. -G., Zhou, X. -Z., Hao, Y. -X., Rankin, R., & Zhang, X. -X. (2021). Pitch Angle Phase Shift in Ring Current Ions Interacting with ULF Waves: Van Allen Probes Observations. Journal Of Geophysical Research: Space Physics, n/a, e2020JA029025. http://doi.org/https://doi.org/10.1029/2020JA029025 (Original work published March 2021)
Inaba, Y., Shiokawa, K., Oyama, S. -I., Otsuka, Y., Connors, M., Schofield, I., et al. (2021). Multi-event Analysis of Plasma and Field Variations in Source of Stable Auroral Red (SAR) Arcs in Inner Magnetosphere during Non-storm-time Substorms. Journal Of Geophysical Research: Space Physics, n/a, e2020JA029081. http://doi.org/https://doi.org/10.1029/2020JA029081 (Original work published March 2021)
Kim, H., Schiller, Q., Engebretson, M., Noh, S., Kuzichev, I., Lanzerotti, L., et al. (2021). Observations of Particle Loss due to Injection-Associated EMIC Waves. Journal Of Geophysical Research: Space Physics, n/a, e2020JA028503. http://doi.org/https://doi.org/10.1029/2020JA028503 (Original work published January 2021)
Sandhu, J., Rae, I., & Walach, M. -T. (2021). Challenging the Use of Ring Current Indices During Geomagnetic Storms. Journal Of Geophysical Research: Space Physics, n/a, e2020JA028423. http://doi.org/https://doi.org/10.1029/2020JA028423 (Original work published January 2021)
Kistler, L. (2020). Observations and measurement techniques. In Ring Current Investigations The Quest for Space Weather Prediction. Amsterdam: Elsevier. http://doi.org/10.1016/B978-0-12-815571-4.00010-X
K.Jordanova, V. (2020). Ring Current Decay. In Ring Current Investigations The Quest for Space Weather Prediction. Amsterdam: Elsevier. http://doi.org/10.1016/B978-0-12-815571-4.00006-8
Wang, Z., Su, Z., Liu, N., Dai, G., Zheng, H., Wang, Y., & Wang, S. (2020). Suprathermal Electron Evolution Under the Competition Between Plasmaspheric Plume Hiss Wave Heating and Collisional Cooling. Geophysical Research Letters, 47, e2020GL089649. http://doi.org/https://doi.org/10.1029/2020GL089649 (Original work published September 2020)
Stephens, G., Bingham, S., Sitnov, M., Gkioulidou, M., Merkin, V., Korth, H., et al. (2020). Storm Time Plasma Pressure Inferred From Multimission Measurements and Its Validation Using Van Allen Probes Particle Data. Space Weather, 18, e2020SW002583. http://doi.org/https://doi.org/10.1029/2020SW002583 (Original work published October 2020)